BE556299A - - Google Patents

Info

Publication number
BE556299A
BE556299A BE556299DA BE556299A BE 556299 A BE556299 A BE 556299A BE 556299D A BE556299D A BE 556299DA BE 556299 A BE556299 A BE 556299A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE556299A publication Critical patent/BE556299A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08—Polymerisation of formaldehyde
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06—Catalysts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/28—Post-polymerisation treatments
BE556299D 1955-07-13 1957-03-30 BE556299A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52187855A 1955-07-13 1955-07-13

Publications (1)

Publication Number Publication Date
BE556299A true BE556299A (fr) 1957-04-15

Family

ID=21885598

Family Applications (1)

Application Number Title Priority Date Filing Date
BE556299D BE556299A (fr) 1955-07-13 1957-03-30

Country Status (7)

Country Link
US (1) US2994687A (fr)
BE (1) BE556299A (fr)
CH (1) CH359288A (fr)
DE (1) DE1230219B (fr)
FR (1) FR1156879A (fr)
GB (1) GB793673A (fr)
NL (1) NL103805C (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218295A (en) * 1955-11-30 1965-11-16 Du Pont Copolymers of formaldehyde with active hydrogen-containing polymers
BE652711A (fr) * 1957-09-06 1900-01-01
US3126359A (en) * 1958-12-02 1964-03-24 Process for the polymerization of
US3002952A (en) * 1959-09-22 1961-10-03 Du Pont Initiators for the polymerization of formaldehyde
BE606474A (fr) * 1960-10-21
NL260727A (fr) * 1961-02-01
US3081351A (en) * 1961-06-19 1963-03-12 Polaroid Corp Novel chemical synthesis for alkylsulfonium perchlorates
DE1236779B (de) * 1963-10-18 1967-03-16 Huels Chemische Werke Ag Verfahren zur Herstellung hochmolekularer Polyoxymethylene
US3459709A (en) * 1965-07-02 1969-08-05 Sir Soc Italiana Resine Spa Method of stabilizing polyoxymethylenes
US3718630A (en) * 1970-05-04 1973-02-27 Du Pont Stabilization of polyoxymethylene
DE2353877A1 (de) * 1973-10-26 1975-05-07 Asahi Chemical Ind Diammoniumsalze und ihre verwendung
DE3067348D1 (en) * 1979-08-23 1984-05-10 Ube Industries Process for polymerizing formaldehyde
US4355153A (en) * 1980-11-19 1982-10-19 Societa' Italiana Resine S.I.R. S.P.A. Process for the polymerization of formaldehyde
US4539387A (en) * 1984-08-03 1985-09-03 E. I. Du Pont De Nemours And Company Process for polymerizing formaldehyde
US7476718B2 (en) * 2004-07-01 2009-01-13 E.I. Du Pont De Nemours Process for producing polyoxymethylene
JP5079265B2 (ja) * 2006-06-13 2012-11-21 ポリプラスチックス株式会社 安定化ポリアセタール樹脂の製造方法
MY146120A (en) * 2006-09-12 2012-06-29 Basf Se Ionic liquids in pom preparation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2234548A (en) * 1937-11-27 1941-03-11 Union Carbide & Carbon Corp Phenolic resin
US2296249A (en) * 1940-08-26 1942-09-22 Du Pont Polymers of formaldehyde
BE558693A (fr) * 1952-08-30
FR1088385A (fr) * 1952-08-30 1955-03-07 Du Pont Polymérisation de la formaldéhyde
BE558694A (fr) * 1952-08-30
NL196512A (fr) * 1954-04-16

Also Published As

Publication number Publication date
GB793673A (en) 1958-04-23
NL103805C (fr) 1963-02-15
DE1230219B (de) 1966-12-08
US2994687A (en) 1961-08-01
CH359288A (de) 1961-12-31
FR1156879A (fr) 1958-05-22

Similar Documents

Publication Publication Date Title
NL103805C (fr)
AT195787B (fr)
AT195882B (fr)
AT198671B (fr)
AT197696B (fr)
AT198478B (fr)
AT195202B (fr)
DE1050050B (fr)
AT195858B (fr)
AT196165B (fr)
AT197645B (fr)
AT194962B (fr)
AT195039B (fr)
AT195161B (fr)
AT197113B (fr)
AT196795B (fr)
AT196671B (fr)
AT197933B (fr)
AT196599B (fr)
AT198124B (fr)
AT196487B (fr)
AT199073B (fr)
AT196488B (fr)
AT195329B (fr)
AT196484B (fr)